diff options
Diffstat (limited to 'passes/opt/opt_muxtree.cc')
| -rw-r--r-- | passes/opt/opt_muxtree.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/passes/opt/opt_muxtree.cc b/passes/opt/opt_muxtree.cc index 15d59202e..905a01627 100644 --- a/passes/opt/opt_muxtree.cc +++ b/passes/opt/opt_muxtree.cc @@ -136,7 +136,7 @@ struct OptMuxtreeWorker } } for (auto wire : module->wires()) { - if (wire->port_output) + if (wire->port_output || wire->get_bool_attribute("\\keep")) for (int idx : sig2bits(RTLIL::SigSpec(wire))) bit2info[idx].seen_non_mux = true; } |